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mongodb 2.1中的aggregate framework到底有嘛用啊？一个document有16M限制，测试了下4w条数据插入崩溃，这东西做unwind和汇总有毛意义啊？

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  •   avatasia · Apr 5, 2012 · 3050 views
    This topic created in 5190 days ago, the information mentioned may be changed or developed.
    希望高手赐教一下。英文太烂，一会上stackoverflow上问问。
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